/* #pragma once
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
typedef int type;
typedef struct Sequence_List
{
	type data;
	struct Sequence_List* next;
}SL;

SL* Buy(type x);
void Print_List(SL* phead);
void PushFront(SL** pphead, type x);
void PopFront(SL** pphead);
void PopBack(SL** pphead);
void PushBack(SL** pphead, type x);
void PosSLdeletAfter(SL** pphead, type val);
void PosSLBefore(SL** pphead, type val, type x);
void PosSLAfter(SL** pphead, type val, type x);
void Destory(SL* phead);*/

